Author/Authors :
Elagib, Abdelgadir H. Institute of Endemic Diseases - Department of Clinical Pathology and Immunology, Sudan , Ahmed, Ammar E. University of Khartoum - Faculty of Medicine - Department of Physiology, Sudan , Hussein, Abbashar University of Khartoum - Faculty of Medicine - Department of Medicine, Sudan , Musa, Ahmed M. Institute of Endemic Diseases - Department of Clinical Pathology and Immunology, Sudan , Khalil, Eltahir A. Institute of Endemic Diseases - Department of Clinical Pathology and Immunology, Sudan , El-Hassan, Ahmed M. Institute of Endemic Diseases - Department of Clinical Pathology and Immunology, Sudan